EP0429890A2 - Safety ski binding with sole hold-down - Google Patents

Safety ski binding with sole hold-down Download PDF

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Publication number
EP0429890A2
EP0429890A2 EP90121137A EP90121137A EP0429890A2 EP 0429890 A2 EP0429890 A2 EP 0429890A2 EP 90121137 A EP90121137 A EP 90121137A EP 90121137 A EP90121137 A EP 90121137A EP 0429890 A2 EP0429890 A2 EP 0429890A2
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EP
European Patent Office
Prior art keywords
sole
holder
hold
spring
jaws
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90121137A
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German (de)
French (fr)
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EP0429890A3 (en
EP0429890B1 (en
Inventor
Henri Peyre
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Look SA
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Look SA
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Publication date
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Publication of EP0429890A2 publication Critical patent/EP0429890A2/en
Publication of EP0429890A3 publication Critical patent/EP0429890A3/en
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Publication of EP0429890B1 publication Critical patent/EP0429890B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08535—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw
    • A63C9/08542—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw pivoting about a transversal axis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08521—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a vertical axis, e.g. side release
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08564—Details of the release mechanism using cam or slide surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08578—Details of the release mechanism using a plurality of biasing elements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/001—Anti-friction devices
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08571—Details of the release mechanism using axis and lever

Definitions

  • the aim of the present invention is to provide a safety front jaw of a ski binding of the type mentioned, in which one end of the release spring is preferably adjustably supported directly on the sole holder, while the other end can act on both the side and the height release mechanism, whereby the correct lateral support of a set ski boot should not be impaired by different ski boot sole covers without special manually adjustable height adjustment means having to be provided on the sole holder.
  • the release spring acts directly and without play on the control levers of the side jaws via the yoke member.
  • the hold-down cam is only acted upon after the predetermined game has been overcome, so that ski boots with different sole thicknesses can be inserted into the binding within this game.
  • the sole holder adjusts itself automatically in the height direction without the side holding force acting on the side jaws from the release spring being impaired.
  • the auxiliary spring is preferably provided according to claim 2.
  • the invention therefore differentiates between the clamping force for the ski boot sole, which is, for example, in the order of magnitude of 300 N, and the height-releasing force, which is, for example, 800 N.
  • the side jaws themselves preferably have the projections that hold down the ski boot sole. However, it would also be conceivable that the side jaws only clamp the ski boots laterally, while a special, fixed hold-down device is provided on the swing-up sole holder.
  • a particularly preferred structural embodiment is characterized by claim 3. It is particularly advantageous if there is also a small distance between the yoke member and the hold-down cam on the side opposite to the above-mentioned game, in such a way that if a ski boot is inserted into the binding, this may be the case. Gently pushing apart the two side jaws and advancing the yoke member does not yet result in the yoke member also touching the hold-down cam, so that it is still in firm contact with the slide track under the action of the auxiliary spring.
  • a particularly preferred embodiment for realizing the mentioned short distance is characterized by claim 4.
  • the yoke member is combined with a spring abutment pot to form a single, one-piece component, the rear end of the spring abutment pot simultaneously forming the abutment surface of the yoke member that acts on the hold-down cam from the front.
  • This embodiment is characterized by claim 6.
  • a particularly advantageous structural implementation of the mounting of the hold-down cam is defined in claim 7.
  • a structurally and spatially particularly expedient arrangement of the auxiliary spring, which, like the release spring, is preferably designed as a helical compression spring, can be found in claim 8.
  • Claim 9 indicates a preferred structural design of the control lever.
  • the embodiment according to claim 10 has the advantage that in the event of a side release, an upward force component is also exerted on the sole holder, so that jamming of the ski boot sole between the sole holder and the ski is counteracted when the side is released.
  • this embodiment is fundamentally advantageous in all safety ski bindings, where the side jaws which can be swung out laterally are arranged on a sole holder which can be swiveled up.
  • the safety front jaw of a ski binding has a base body 11 to be fastened to the ski, on which a sole holder 13 is attached so as to be pivotable about a transverse axis 12.
  • the spring abutment pot 31 has a base 30 'with a central bore 34, on which a release spring 20 is supported from the front, which is supported with its front end on an axially adjustable abutment 39 of the sole holder 13.
  • the one-piece component consisting of the spring abutment pot 31 and the yoke member 25 has an opening extending transversely through the rear part in the manner of elongated holes 33, through which a hold-down cam 27 in the form of a rod extends, which extends from the front through a helical compression spring trained Auxiliary spring 29 is acted upon, which is supported on the same front abutment 39 as the release spring 20 and extends through the central bore 34 in the base 30 'of the spring abutment pot 31.
  • the rod-shaped hold-down cam 27 is pressed against the rear edge of the slot-shaped opening 33.
  • the rod-shaped hold-down cam 27 extends after the slot-shaped opening 33 on both sides through slots 30 extending in the direction of the central longitudinal axis 14 in the side walls of the sole holder 13 and then into a link recess 40 of two vertically standing side plates 41 of the base body 11 the hold-down cams 27 have sliding bodies 42 which, in the rest position of the binding, bear against a slide track 28 of the side surface 41 which rises obliquely from the rear to the front according to FIGS. 2 and 3.
  • the setting recess 40 is dimensioned so large that the side release according to the upper half of FIG. 1 is not hindered by the hold-down cam 27 abutting the edges of the setting recess.
  • front support rollers 44, 45 are provided on the side jaws 17, 18, the central axes of which are arranged slightly laterally outside the vertical axes 15, 16, so that a slight opening effect is exerted on the side jaws in the event of a forward fall.
  • side holding rollers 37, 38 are provided on the side jaws 17, 18 in the region of the rear end, by means of which the sole of the set ski boot is also supported laterally.
  • the side jaws 17, 18 overlap a set ski boot sole at 44 in order to hold it securely from above.
  • the side holding rollers 37, 38 are arranged so as to converge obliquely from bottom to top in such a way that when the side is released, the ski boot sole also exerts a small force component in the vertical direction on the sole holder 13.
  • the design according to the invention also has the advantage that, within the small distance 43, the binding also has a certain lateral elasticity within which a certain lateral mobility of the side jaws 17, 18 is ensured without a side release occurring immediately.
  • An essential further advantage of the invention is that when the binding is released in one direction (lateral or vertical release), the release force in the other direction becomes zero.

Abstract

A toe iron of a safety ski binding has a basic body (11) which is to be attached to the ski and at which a sole-holder (13), which holds an inserted ski boot from above and from the sides, is mounted so that it can be pivoted up about a transverse axle (12) arranged in the front end region and at the bottom. The sole-holder has two lateral jaws (17, 18) which can be swivelled out laterally about vertical axles (15, 16) located on both sides of the longitudinal mid-axis (14). A release spring (20), which is accommodated in a hollow space (19) of the sole-holder (13) and extends essentially in the direction of the longitudinal mid-axis (14), prestresses both the lateral jaws (17, 18) and the sole-holder (13) towards their ski boot holding position via a lifting and connecting link mechanism. Via two control levers (23, 24), mounted on the sole-holder (13) about a vertical axis (21, 22) in each case, and a common yoke member (25), the lateral jaws (17, 18) are charged by one end of the release spring (20) which is supported by the other end on the sole-holder (13). Additionally, after overcoming a clearance (26) within the scope of different sole thicknesses of the ski boot to be inserted, the release spring (20) acts via the yoke member (25) on a holding-down cam (27) which is displaceable in the direction of the longitudinal mid-axis (14), is mounted on the sole-holder (13) and interacts with a connecting link wall (28), rising obliquely from the rear to the front, on the basic body (11). <IMAGE>

Description

Es ist bereits bekannt, sowohl die Seiten- als auch die Höhenauslösung bei einem derartigen Sicherheitsvorderbacken mittels einer einzigen Auslösefeder vorzunehmen (DE-AS 26 37 870), wobei jedoch das eine Ende der Auslösefeder für die Höhenauslösung, das andere Ende für die Seitenauslösung verantwortlich ist. Hierdurch kann keines der Enden der Auslösefeder unmittelbar am Sohlenhalter abgestützt werden, wodurch die Veränderung der Federvorspannung der Auslösefeder zwecks Verstellung der Auslösehärte erschwert ist. Außerdem muß der Sohlenhalter des bekannten Vorderbackens exakt auf eine bestimmte Skistiefelsohle eingestellt werden, damit es nicht durch Verklemmungen der Skistiefelsohle zu einer unerwünschten Veränderung des Auslöseverhaltens kommt.It is already known to carry out both the side and the height release in such a safety front jaw by means of a single release spring (DE-AS 26 37 870), but one end of the release spring is responsible for the height release, the other end is responsible for the side release . As a result, none of the ends of the release spring can be supported directly on the sole holder, making it difficult to change the spring preload of the release spring for the purpose of adjusting the release hardness. In addition, the sole holder of the known toe piece must be adjusted exactly to a specific ski boot sole, so that there is no undesirable change in the release behavior due to jamming of the ski boot sole.

Das Ziel der vorliegenden Erfindung besteht darin, einen Sicherheitsvorderbacken einer Skibindung der eingangs genannten Gattung zu schaffen, bei dem ein Ende der Auslösefeder unmittelbar am Sohlenhalter vorzugsweise verstellbar abgestützt ist, während das andere Ende sowohl den Seiten- als auch den Höheauslösemechanismus beaufschlagen kann, wobei die einwandfreie seitliche Halterung eines eingestellten Skistiefels nicht durch unterschiedliche Skistiefel-Sohlendikken beeinträchtigt werden soll, ohne daß spezielle von Hand zu betätigende Höhenverstellmittel am Sohlenhalter vorgesehen sein müssen.The aim of the present invention is to provide a safety front jaw of a ski binding of the type mentioned, in which one end of the release spring is preferably adjustably supported directly on the sole holder, while the other end can act on both the side and the height release mechanism, whereby the correct lateral support of a set ski boot should not be impaired by different ski boot sole covers without special manually adjustable height adjustment means having to be provided on the sole holder.

Zur Lösung dieser Aufgabe sind die Merkmale des kennzeichnenden Teils des Patentanspruchs 1 vorgesehen.To achieve this object, the features of the characterizing part of claim 1 are provided.

Erfindungsgemäß wirkt also die Auslösefeder über das Jochglied unmittelbar und ohne Spiel auf die Steuerhebel der Seitenbacken. Die Einwirkung auf den Niederhaltenocken erfolgt jedoch erst nach Überwindung des vorbestimmten Spiels, so daß innerhalb dieses Spiels Skistiefel mit unterschiedlichen Sohlendicken in die Bindung eingestellt werden können. Dabei verstellt sich der Sohlenhalter in Höhenrichtung selbsttätig, ohne daß die von der Auslösefeder auf die Seitenbacken wirkende Seitenhaltekraft beeinträchtigt wird.According to the invention, the release spring acts directly and without play on the control levers of the side jaws via the yoke member. However, the hold-down cam is only acted upon after the predetermined game has been overcome, so that ski boots with different sole thicknesses can be inserted into the binding within this game. The sole holder adjusts itself automatically in the height direction without the side holding force acting on the side jaws from the release spring being impaired.

Erst wenn das vorbestimmte Spiel bei einer Höhenbewegung des Sohlenhalters durch Entlanggleiten des Niederhaltenockens an der schrägen Kulissenbahn überschritten wird, kommt es zu einer unmittelbaren Beaufschlagung des Niederhaltenockens von der Auslösefeder über das Jochglied, so daß von diesem Augenblick an eine normale Höhenauslösung der Sicherheitsbindung erfolgt.Only when the predetermined play is exceeded during a height movement of the sole holder by sliding the hold-down cam along the inclined sliding track, is there a direct action on the hold-down cam by the release spring via the yoke member, so that from this moment on the safety binding is triggered normally.

Damit die Skistiefelsohle in der Ruhelage der Bindung mit einer vorbestimmten Einspannkraft unabhängig von ihrer Dicke vom Sohlenhalter gehalten wird, ist bevorzugt die Hilfsfeder gemäß Anspruch 2 vorgesehen. Die Erfindung differenziert also zwischen der beispielsweise in der Größenordnung von 300 N liegenden Einspannkraft für die Skistiefelsohle und der beispielsweise 800 N betragenden Höhenauslösekraft.So that the ski boot sole is held in the rest position of the binding with a predetermined clamping force regardless of its thickness by the sole holder, the auxiliary spring is preferably provided according to claim 2. The invention therefore differentiates between the clamping force for the ski boot sole, which is, for example, in the order of magnitude of 300 N, and the height-releasing force, which is, for example, 800 N.

Bevorzugt weisen die Seitenbacken selbst die die Skistiefelsohle niederhaltenden Vorsprünge auf. Es wäre jedoch auch denkbar, daß die Seitenbacken die den Skistiefel nur seitlich einspannen, während ein besonderer, feststehender Niederhalter am hochschwenkbaren Sohlenhalter vorgesehen ist.The side jaws themselves preferably have the projections that hold down the ski boot sole. However, it would also be conceivable that the side jaws only clamp the ski boots laterally, while a special, fixed hold-down device is provided on the swing-up sole holder.

Eine besonders bevorzugte bauliche Ausführungsform ist durch Anspruch 3 gekennzeichnet. Besonders vorteilhaft ist dabei, wenn auch zwischen dem Jochglied und dem Niederhaltenocken auf der von dem vorerwähnten Spiel entgegengesetzten Seite ein geringer Abstand vorliegt, derart, daß im Falle des Einstellen eines Skistiefels in die Bindung das hierbei u.U. erfolgende leichte Auseinanderdrücken der beiden Seitenbacken und Vorschieben des Jochgliedes noch nicht dazu führt, daß das Jochglied auch den Niederhaltenocken berührt, so daß dieser unter Beaufschlagung durch die Hilfsfeder sich nach wie vor in fester Anlage an der Kulissenbahn befindet.A particularly preferred structural embodiment is characterized by claim 3. It is particularly advantageous if there is also a small distance between the yoke member and the hold-down cam on the side opposite to the above-mentioned game, in such a way that if a ski boot is inserted into the binding, this may be the case. Gently pushing apart the two side jaws and advancing the yoke member does not yet result in the yoke member also touching the hold-down cam, so that it is still in firm contact with the slide track under the action of the auxiliary spring.

Eine besonders bevorzugte Ausführungsform für die Verwirklichung des erwähnten geringen Abstandes ist durch Anspruch 4 gekennzeichnet.A particularly preferred embodiment for realizing the mentioned short distance is characterized by claim 4.

Vorteilhafterweise ist das Jochglied gemäß Anspruch 5 mit einem Federwiderlagertopf zu einem einzigen einstückigen Bauteil vereinigt, wobei das hintere Ende des Federwiderlagertopfes gleichzeitig diejenige Anschlagfläche des Jochgliedes bildet, die den Niederhaltenocken von vorn beaufschlagt. Diese Ausführungsform ist durch Anspruch 6 gekennzeichnet.Advantageously, the yoke member is combined with a spring abutment pot to form a single, one-piece component, the rear end of the spring abutment pot simultaneously forming the abutment surface of the yoke member that acts on the hold-down cam from the front. This embodiment is characterized by claim 6.

Eine besonders vorteilhafte bauliche Verwirklichung der Lagerung des Niederhaltenockens ist im Anspruch 7 definiert. Eine baulich und räumlich besonders zweckmäßige Anordnung der ebenso wie die Auslösefeder vorzugsweise als Schraubendruckfeder ausgebildeten Hilfsfeder ist dem Anspruch 8 zu entnehmen.A particularly advantageous structural implementation of the mounting of the hold-down cam is defined in claim 7. A structurally and spatially particularly expedient arrangement of the auxiliary spring, which, like the release spring, is preferably designed as a helical compression spring, can be found in claim 8.

Anspruch 9 kennzeichnet eine bevorzugte bauliche Ausgestaltung der Steuerhebel.Claim 9 indicates a preferred structural design of the control lever.

Das Ausführungsbeispiel nach Anspruch 10 bringt den Vorteil mit sich, daß im Falle einer Seitenauslösung auch eine nach oben gerichtete Kraftkomponente auf den Sohlenhalter ausgeübt wird, so daß einer Verklemmung der Skistiefelsohle zwischen dem Sohlenhalter und dem Ski bei einer Seitenauslösung entgegengewirkt wird. Diese Ausführungsform ist auch unabhängig von den übrigen Erfindungsmerkmalen grundsätzlich bei allen Sicherheitsskibindungen von Vorteil, wo die seitlich ausschwenkbaren Seitenbacken an einem hochschwenkbaren Sohlenhalter angeordnet sind.The embodiment according to claim 10 has the advantage that in the event of a side release, an upward force component is also exerted on the sole holder, so that jamming of the ski boot sole between the sole holder and the ski is counteracted when the side is released. Regardless of the other features of the invention, this embodiment is fundamentally advantageous in all safety ski bindings, where the side jaws which can be swung out laterally are arranged on a sole holder which can be swiveled up.

Die Erfindung wird im folgenden beispielsweise anhand der Zeichnung beschrieben; in dieser zeigt:

Fig. 1
eine teilweise geschnittene Draufsicht eines erfindungsgemäßen Sicherheitsvorderbackens, wobei unterhalb der Mittellängsachse 14 der Vorderbacken in der Ruhelage und oberhalb der Mittellängsachse 14 in der seitlich ausgelösten Position dargestellt ist,
Fig. 2
einen Schnitt nach Linie II-II in Fig. 1, wobei jedoch der rechte Seitenbacken 18 in der nicht ausgelösten Stellung wiedergegeben ist,
Fig. 3
eine ähnliche Ansicht wie Fig. 2 bei in der oberen Auslöseposition befindlichem Sohlenhalter 13 und
Fig. 4
einen Schnitt nach Linie IV-IV in Fig. 2, wobei eine besonders bevorzugte Ausbildung der Seitenhalterollen 38 wiedergegeben ist.
The invention is described below, for example with reference to the drawing; in this shows:
Fig. 1
FIG. 2 shows a partially sectioned top view of a safety front jaw according to the invention, the front jaws being shown below the central longitudinal axis 14 in the rest position and above the central longitudinal axis 14 in the laterally triggered position,
Fig. 2
2 shows a section along line II-II in FIG. 1, but the right side jaw 18 is shown in the non-triggered position,
Fig. 3
a view similar to FIG. 2 with the sole holder 13 and in the upper release position
Fig. 4
a section along line IV-IV in Fig. 2, wherein a particularly preferred embodiment of the side support rollers 38 is shown.

Nach der Zeichnung weist der erfindungsgemäße Sicherheitsvorderbacken einer Skibindung einen am Ski zu befestigenden Grundkörper 11 auf, an dem um eine Querachse 12 ein Sohlenhalter 13 hochschwenkbar angebracht ist.According to the drawing, the safety front jaw of a ski binding according to the invention has a base body 11 to be fastened to the ski, on which a sole holder 13 is attached so as to be pivotable about a transverse axis 12.

Beidseits der Mittellängsachse 14 sind am Sohlenhalter 13 um Hochachsen 15, 16 Seitenbacken 17, 18 seitlich ausschwenkbar angelenkt. Sich von den Seitenbacken im Abstand von den Hochachsen 15, 16 senkrecht wegerstreckende Anschläge 35, 36 werden von den Eingriffsendstücken 23', 24' von Steuerhebeln 23, 24 hintergriffen, die um vertikale Achsen 21, 22 am Sohlenhalter 13 schwenkbar gelagert sind. Die sich von den Anlenkachsen 21, 22 nach innen zur Mittellängsachse 14 erstrekkenden Arme der Steuerhebel 23, 24 werden von einem scheibenförmigen Jochglied 25 beaufschlagt, welches nach vorn zu einstückig in einen Federwiderlagertopf 31 übergeht, der in einem sich in Richtung der Mittellängsachse 14 erstrekenden Hohlraum 19 des Sohlenhalters 13 in Richtung der Mittellängsachse 14 verschiebbar angeordnet ist. Der Federwiderlagertopf 31 besitzt einen eine Zentralbohrung 34 aufweisenden Boden 30', an dem sich von vorn eine Auslösefeder 20 abstützt, die sich mit ihrem vorderen Ende an einen axial verstellbaren Widerlager 39 des Sohlenhalters 13 abstützt.On both sides of the central longitudinal axis 14 are pivoted laterally on the sole holder 13 about vertical axes 15, 16 side jaws 17, 18. Stops 35, 36 extending vertically away from the side jaws at a distance from the vertical axes 15, 16 are engaged by the engagement end pieces 23 ', 24' of control levers 23, 24 which are pivotably mounted on the sole holder 13 about vertical axes 21, 22. The arms of the control levers 23, 24, which extend inward from the articulation axes 21, 22 to the central longitudinal axis 14, are acted upon by a disk-shaped yoke member 25 which forwards integrally merges into a spring abutment pot 31 which extends in a cavity extending in the direction of the central longitudinal axis 14 19 of the sole holder 13 is arranged displaceably in the direction of the central longitudinal axis 14. The spring abutment pot 31 has a base 30 'with a central bore 34, on which a release spring 20 is supported from the front, which is supported with its front end on an axially adjustable abutment 39 of the sole holder 13.

Das aus dem Federwiderlagertopf 31 und dem Jochglied 25 bestehende einstückige Bauteil weist eine quer durch den hinteren Teil verlaufende Durchbrechung nach Art von Langlöchern 33 auf, durch die hindurch sich quer ein in Form eines Stabes ausgebildeter Niederhaltenocken 27 erstreckt, der von vorn durch eine als Schraubendruckfeder ausgebildete Hilfsfeder 29 beaufschlagt ist, die sich an dem gleichen vorderen Widerlager 39 wie die Auslösefeder 20 abstützt und durch die Zentralbohrung 34 im Boden 30' des Federwiderlagertopfes 31 hindurcherstreckt. Hierdurch wird der stabförmige Niederhaltenocken 27 gegen die hintere Berandung der langlochförmigen Durchbrechung 33 gedrückt.The one-piece component consisting of the spring abutment pot 31 and the yoke member 25 has an opening extending transversely through the rear part in the manner of elongated holes 33, through which a hold-down cam 27 in the form of a rod extends, which extends from the front through a helical compression spring trained Auxiliary spring 29 is acted upon, which is supported on the same front abutment 39 as the release spring 20 and extends through the central bore 34 in the base 30 'of the spring abutment pot 31. As a result, the rod-shaped hold-down cam 27 is pressed against the rear edge of the slot-shaped opening 33.

Der stabförmige Niederhaltenocken 27 erstreckt sich im Anschluß an die langlochförmige Durchbrechung 33 beidseits durch sich in Richtung der Mittellängsachse 14 erstreckende Langlöcher 30 in den Seitenwänden des Sohlenhalters 13 und dann in eine Kulissenausnehmung 40 von zwei vertikal stehenden Seitenplatten 41 des Grundkörpers 11. In diesem Bereich weist der Niederhaltenocken 27 Gleitkörper 42 auf, die in der Ruhelage der Bindung hinten an einer gemäß den Fig. 2 und 3 von hinten nach vorn schräg ansteigenden Kulissenbahn 28 der Seitenfläche 41 anliegen. Die Kulissenausnehmung 40 ist so groß dimensioniert, daß die Seitenauslösung gemäß der oberen Hälfte der Fig. 1 nicht durch Anstoßen des Niederhaltenockens 27 an die Berandungen der Kulissenausnehmung behindert wird.The rod-shaped hold-down cam 27 extends after the slot-shaped opening 33 on both sides through slots 30 extending in the direction of the central longitudinal axis 14 in the side walls of the sole holder 13 and then into a link recess 40 of two vertically standing side plates 41 of the base body 11 the hold-down cams 27 have sliding bodies 42 which, in the rest position of the binding, bear against a slide track 28 of the side surface 41 which rises obliquely from the rear to the front according to FIGS. 2 and 3. The setting recess 40 is dimensioned so large that the side release according to the upper half of FIG. 1 is not hindered by the hold-down cam 27 abutting the edges of the setting recess.

Wesentlich ist, daß sich in der Ruhelage der Bindung gemäß der unteren Hälfte der Fig. 1 zwischen dem hinteren Ende des Federwiderlagertopfes 31, welche die vordere Anschlagfläche des Jochgliedes 25 bildet, und der vorderen Berandung des stabförmigen Niederhaltenockens 27 ein Spiel 26 befindet. Entsprechend soll auf der gegenüberliegenden Seite des Niederhaltenockens 27 zwischen diesem und dem Jochglied ein geringer Abstand 43 vorgesehen sein. Durch das Spiel 26 und dem geringen Abstand 43 wird eine unerwünschte gegenseitige Beeinflussung von Höhen- und Seitenauslösemechanismus durch das Einstellen eines Skistiefels in die Bindung wirksam vermieden.It is essential that, in the rest position of the binding according to the lower half of FIG. 1, there is a play 26 between the rear end of the spring abutment pot 31, which forms the front stop surface of the yoke member 25, and the front edge of the rod-shaped hold-down cam 27. Accordingly, a small distance 43 should be provided on the opposite side of the hold-down cam 27 between the latter and the yoke member. Due to the play 26 and the small distance 43, an undesirable mutual influence of the height and side release mechanism by inserting a ski boot into the binding is effectively avoided.

Zur vorderen Abstützung der Skistiefelsohle sind an den Seitenbacken 17, 18 vordere Abstützrollen 44, 45 vorgesehen, deren Mittelachsen geringfügig seitlich außerhalb der Hochachsen 15, 16 angeordnet sind, damit bei Vorwärtsstürzen ein geringfügiger Öffnungseffekt auf die Seitenbacken ausgeübt wird.For the front support of the ski boot sole, front support rollers 44, 45 are provided on the side jaws 17, 18, the central axes of which are arranged slightly laterally outside the vertical axes 15, 16, so that a slight opening effect is exerted on the side jaws in the event of a forward fall.

Weiter sind an den Seitenbacken 17, 18 im Bereich des hinteren Endes Seitenhalterollen 37, 38 vorgesehen, durch die der eingestellte Skistiefel mit seiner Sohle auch seitlich abgestützt wird. Außerdem übergreifen die Seitenbacken 17, 18 bei 44 eine eingestellte Skistiefelsohle, um diese auch von oben sicher zu halten.Furthermore, side holding rollers 37, 38 are provided on the side jaws 17, 18 in the region of the rear end, by means of which the sole of the set ski boot is also supported laterally. In addition, the side jaws 17, 18 overlap a set ski boot sole at 44 in order to hold it securely from above.

Nach Fig. 4 sind die Seitenhalterollen 37, 38 derart schräg von unten nach oben zusammenlaufend angeordnet, daß bei einer Seitenauslösung die Skistiefelsohle auch eine geringe Kraftkomponente in vertikaler Richtung auf den Sohlenhalter 13 ausübt.4, the side holding rollers 37, 38 are arranged so as to converge obliquely from bottom to top in such a way that when the side is released, the ski boot sole also exerts a small force component in the vertical direction on the sole holder 13.

Die Arbeitsweise des beschriebenen Sicherheitsvorderbackens ist wie folgt:The operation of the safety front baking described is as follows:

Wird in die gemäß der unteren Hälfte von Fig. 1 in ihrer Ruhelage befindliche Bindung eine Skistiefelsohle eingestellt, so werden die beiden Seitenbacken 17, 18 geringfügig gespreizt, so daß über die Steuerhebel 23, 24 das Jochglied 25 unter Zusammendrückung der Auslösefeder 20 etwas nach vorn verschoben wird. Aufgrund des geeignet groß gewählten Abstandes 43 erfolgt aber hierbei keine Beaufschlagung des Niederhaltenockens 27, welcher somit durch die Hilfsfeder 29 nach wie vor mit seinen Endstücken 42 gegen das untere Ende der Kulissenbahn 28 gedrückt wird.If a ski boot sole is set in the binding in its rest position according to the lower half of FIG. 1, the two side jaws 17, 18 are slightly expanded, so that the control member 23, 24, the yoke member 25 slightly compressing the release spring 20 to the front is moved. Because of the suitably large spacing 43, the hold-down cam 27 is not acted upon, which is thus still pressed by the auxiliary spring 29 with its end pieces 42 against the lower end of the slide track 28.

Kommt es jetzt zu einer Seitenauslösung gemäß der oberen Hälfte von Fig. 1, so drückt der betreffende Steuerhebel 24 das Jochglied 25 unter Überwindung des geringen Abstandes 43 nach vorn, worauf dann der Niederhaltenocken 27 unter Zusammendrücken der Hilfsfeder 29 nach vorn mitgenommen wird. Die Auslösefeder 20 ist also so zu berechnen, daß die Gesamtauslösekraft durch die Summe der Federkräfte der Auslösefeder 20 und der Hilfsfeder 29 bestimmt wird.Now there is a page release according to the above Half of FIG. 1, the relevant control lever 24 presses the yoke member 25 forward, overcoming the short distance 43, whereupon the hold-down cam 27 is carried forward by compressing the auxiliary spring 29. The release spring 20 is thus to be calculated so that the total release force is determined by the sum of the spring forces of the release spring 20 and the auxiliary spring 29.

Die erfindungsgemäße Ausbildung hat auch den Vorteil, daß im Rahmen des geringen Abstands 43 die Bindung auch eine gewisse Seitenelastizität aufweist, innerhalb der eine gewisse Seitenbeweglichkeit der Seitenbacken 17, 18 gewährleistet ist, ohne daß es gleich zu einer Seitenauslösung kommt.The design according to the invention also has the advantage that, within the small distance 43, the binding also has a certain lateral elasticity within which a certain lateral mobility of the side jaws 17, 18 is ensured without a side release occurring immediately.

Im Falle einer Höhenauslösung gemäß Fig. 3 gleiten die Endstücke 42 des Niederhaltenockens 27 an der Kulissenbahn 28 nach oben, wobei der Niederhaltenocken 27 sich unter Überwindung des Stils 26 zunächst nach vorn verschiebt, bis er an der Grenzfläche 32 des Jochgliedes 25 zur Anlage kommt. Ab jetzt wird nicht nur die Hilfsfeder 29, sondern auch die Auslösefeder 20 zusammengedrückt, so daß eine normale Höhenauslösung erfolgt.3, the end pieces 42 of the hold-down cam 27 slide upwards on the slide track 28, the hold-down cam 27 initially moving forward, overcoming the style 26, until it comes into contact with the interface 32 of the yoke member 25. From now on, not only the auxiliary spring 29 but also the release spring 20 is compressed, so that normal height release takes place.

Ein wesentlicher weiterer Vorteil der Erfindung besteht darin, daß bei einer Auslösung der Bindung in einer Richtung (Seiten- oder Höhenauslösung) die Auslösekraft in der anderen Richtung Null wird.An essential further advantage of the invention is that when the binding is released in one direction (lateral or vertical release), the release force in the other direction becomes zero.

Claims (10)

Sicherheitsvorderbacken einer Skibindung mit einem am Ski zu befestigenden Grundkörper (11), an dem um eine vorzugsweise im vorderen Endbereich und insbesondere unten angeordnete Querachse (12) ein einen eingestellten Skistiefel von oben und von den Seiten haltender Sohlenhalter (13) hochschwenkbar gelagert ist, der zwei um zu beiden Seiten der Mittellängsachse (14) gelegene Hochachsen (15, 16) seitlich ausschwenkbare Seitenbacken (17, 18) trägt, wobei eine in einem Hohlraum (19) des Sohlenhalters (13) untergebrachte, sich im wesentlichen in Richtung der Mittellängsachse (14) erstreckende Auslösefeder (20) über einen Hebel- und Kulissenmechanismus sowohl eine die Seitenbacken (17, 18) als auch den Sohlenhalter (13) auf ihre Skistiefelhalteposition zu vorspannende Haltekraft für den eingestellten Skistiefel erzeugt,
dadurch gekennzeichnet,
daß die Seitenbacken (17, 18) über zwei am Sohlenhalter (13) um jeweils eine Hochachse (21, 22) gelagerte Steuerhebel (23, 24) und ein gemeinsames Jochglied (25) von einem Ende der mit dem anderen Ende am Sohlenhalter (13) abgestützten Auslösefeder (20) beaufschlagt sind und daß die Auslösefeder (20) über das Jochglied (25) nach Überwindung eines im Rahmen unterschiedlicher Sohlendicken der einzustellenden Skistiefel liegenden Spiels (26) außerdem auf einen in Richtung der Mittel längsachse (14) verschieblich im Sohlenhalter (13) gelagerten Niederhaltenocken (27) einwirkt, der mit einer von hinten nach vorn schräg ansteigenden Kulissenbahn (28) am Grundkörper (11) zusammenwirkt.Safety front jaw of a ski binding with a base body (11) to be attached to the ski, on which a set ski boot holding a set ski boot from above and from the sides is pivotably mounted about a transverse axis (12) which is preferably arranged in the front end region and in particular below Carries two side jaws (17, 18) which can be pivoted out laterally around both sides of the central longitudinal axis (14), one of which is accommodated in a cavity (19) of the sole holder (13) and extends essentially in the direction of the central longitudinal axis ( 14) extending release spring (20) generates a holding force for the set ski boot to be pre-tensioned to its ski boot holding position via a lever and link mechanism, both the side jaws (17, 18) and the sole holder (13),
characterized by
that the side jaws (17, 18) via two control levers (23, 24) mounted on the sole holder (13) about a respective vertical axis (21, 22) and a common yoke member (25) from one end to the other end on the sole holder (13 ) supported release spring (20) and that the release spring (20) over the yoke member (25) after overcoming a game lying within the scope of different sole thicknesses of the ski boots to be adjusted (26) also in the direction of the middle The longitudinal axis (14) slidably acts in the sole holder (13) of the hold-down cams (27), which cooperates with a slotted track (28) that rises from the front to the front on the base body (11). Vorderbacken nach Anspruch 1, dadurch gekennzeichnet,
daß der Niederhaltenocken (27) durch eine die Einspannkraft für die Sohle des Skistiefels liefernde Hilfsfeder (29) gegen die Kulissenbahn (28) gespannt ist.Front jaws according to claim 1, characterized in that
that the hold-down cam (27) is tensioned against the slide track (28) by an auxiliary spring (29) providing the clamping force for the sole of the ski boot. Vorderbacken nach Anspruch 1 oder 2, dadurch gekennzeichnet,
daß der Niederhaltenocken (27) als sich quer durch Langlöcher (30) in den Seitenwänden des Sohlenhalters (13) erstreckender Stab ausgebildet ist.Front jaws according to claim 1 or 2, characterized in that
that the hold-down cam (27) is designed as a rod extending transversely through elongated holes (30) in the side walls of the sole holder (13). Vorderbacken nach Anspruch 3, dadurch gekennzeichnet,
daß der Niederhaltenocken (27) nicht nur auf der von der Auslösefeder (20) beaufschlagten Seite, sondern auch auf der entgegengesetzten Seite einen geringen Abstand (43) vom Jochglied (25) aufweist, derart, daß bei eingestelltem Skistiefel und ohne eine Seitenauslösung der Niederhaltenocken (27) nicht von der Kulissenbahn (28) abgehoben wird.Front jaws according to claim 3, characterized in
that the hold-down cam (27) is not only a short distance (43) from the yoke member (25) not only on the side actuated by the release spring (20), but also on the opposite side, such that the hold-down cam is set when the ski boot is set and without a side release (27) is not lifted off the backdrop (28). Vorderbacken nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet,
daß das Jochglied (25) vorne in einen Federwiderlagertopf (31) übergeht, der in dem die Auslösefeder (20) aufnehmenden Hohlraum (19) in Richtung der Mittellängsachse (14) verschiebbar angeordnet ist.Front jaws according to one of the preceding claims, characterized in that
that the yoke member (25) merges into a spring abutment pot (31) which is arranged in the cavity (19) receiving the release spring (20) so as to be displaceable in the direction of the central longitudinal axis (14). Vorderbacken nach Anspruch 5, dadurch gekennzeichnet,
daß das hintere Ende (32) des Federwiderlagertopfes (31) über das Spiel (26) dem Niederhaltenocken (27) gegenüberliegt.Toe piece according to claim 5, characterized by
that the rear end (32) of the spring abutment pot (31) over the game (26) opposite the hold-down cam (27). Vorderbacken nach Anspruch 5 oder 6, dadurch gekennzeichnet,
daß der Niederhaltenocken (27) in der Ruhelage mit Spiel nach vorn und hinten in seitlichen Langlöchern (33) des aus Jochglied (25) und Federwiderlagertopf (31) zusammengesetzten, vorzugsweise einstückigen Bauteils angeordnet ist.Front jaws according to claim 5 or 6, characterized in that
that the hold-down cam (27) is arranged in the rest position with play to the front and rear in side slots (33) of the yoke member (25) and spring abutment pot (31), preferably in one piece. Vorderbacken nach Anspruch 7, dadurch gekennzeichnet,
daß innerhalb des die Auslösefeder (20) abstützenden Bodens (30') des Federwiderlagertopfes (31) eine Zentralbohrung (34) zum Durchtritt der vorzugsweise koaxial innerhalb der Auslösefeder (20) angeordneten Hilfsfeder (29) zum Niederhaltenocken (27) vorgesehen ist.Front jaws according to claim 7, characterized in that
that a central bore (34) is provided within the base (30 ') of the spring abutment pot (31) supporting the release spring (20) for the passage of the auxiliary spring (29) for holding down cams (27), which is preferably arranged coaxially within the release spring (20). Vorderbacken nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet,
daß die Steuerhebel (23, 24) sich in der Ruhelage im wesentlichen senkrecht zur Mittellängsachse (14) seitlich nach außen bis zur Anlenkachse (21, 22) und von dort schräg nach vorne zu an den Seitenbacken (17, 18) befestigten Anschlägen (35, 36) erstrecken, wo sie in im wesentlichen in Richtung der Mittellängsachse (14) verlaufende Eingriffsendstücke (23', 24') übergehen.Front jaws according to one of the preceding claims, characterized in that
that the control lever (23, 24) in the rest position substantially perpendicular to the central longitudinal axis (14) laterally outwards to the articulation axis (21, 22) and from there obliquely forward to the side jaws (17, 18) attached stops (35 , 36), where they merge into engaging end pieces (23 ', 24') extending essentially in the direction of the central longitudinal axis (14). Vorderbacken insbesondere nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Abstützflächen der Seitenhalteelemente (37, 38) von unten nach oben schräg nach innen verlaufen, derart,daß bei einer Seitenauslösung auch eine vertikal nach oben gerichtete Kraftkomponente auf den Sohlenhalter (13) ausgeübt wird.Front jaws in particular according to one of the preceding claims,
characterized by
that the support surfaces of the side holding elements (37, 38) run obliquely inwards from bottom to top in such a way that, when triggered from the side, a vertically upward force component is also exerted on the sole holder (13).
EP90121137A 1989-12-01 1990-11-05 Safety ski binding with sole hold-down Expired - Lifetime EP0429890B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3939883A DE3939883A1 (en) 1989-12-01 1989-12-01 SAFETY PRE-BAKING A SKI BINDING
DE3939883 1989-12-01

Publications (3)

Publication Number Publication Date
EP0429890A2 true EP0429890A2 (en) 1991-06-05
EP0429890A3 EP0429890A3 (en) 1991-10-02
EP0429890B1 EP0429890B1 (en) 1994-09-28

Family

ID=6394660

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90121137A Expired - Lifetime EP0429890B1 (en) 1989-12-01 1990-11-05 Safety ski binding with sole hold-down

Country Status (4)

Country Link
US (1) US5121939A (en)
EP (1) EP0429890B1 (en)
AT (1) ATE112175T1 (en)
DE (2) DE3939883A1 (en)

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FR2690080A1 (en) * 1992-02-07 1993-10-22 Look Sa Ski binding front safety stop.
FR2806639A1 (en) * 2000-03-23 2001-09-28 Emery Sa IMPROVEMENT FOR A DEVICE FOR RETAINING A SKI SHOE ON A SKI

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FR2717705B1 (en) * 1994-03-24 1996-06-07 Frederic Paradis Front stop for alpine ski safety binding.
US6460871B1 (en) 1995-01-20 2002-10-08 The Burton Corporation Step-in snowboard binding
US5722680A (en) * 1996-05-29 1998-03-03 The Burton Corporation Step-in snowboard binding
US6123354A (en) 1996-05-29 2000-09-26 Laughlin; James Step-in snowboard binding
ATE243052T1 (en) * 1997-01-29 2003-07-15 Look Fixations Sa SAFETY BINDINGS ON THE TOP OF THE SKI BOOTS
FR2808453B1 (en) * 2000-05-04 2002-08-02 Salomon Sa RETAINING ELEMENT OF THE FRONT OF A SHOE ON A SKI
FR2817161B1 (en) * 2000-11-28 2003-02-28 Look Fixations Sa SECURITY FIXING FOR SKI SHOES
DE102006039989B4 (en) * 2006-08-25 2015-10-08 Marker Deutschland Gmbh Shoe holder unit of a ski binding

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FR2690080A1 (en) * 1992-02-07 1993-10-22 Look Sa Ski binding front safety stop.
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Also Published As

Publication number Publication date
EP0429890A3 (en) 1991-10-02
EP0429890B1 (en) 1994-09-28
DE3939883A1 (en) 1991-06-06
US5121939A (en) 1992-06-16
ATE112175T1 (en) 1994-10-15
DE59007331D1 (en) 1994-11-03

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